ATSAML21J17BU
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            CoreCortex-M0+, 48 MHz 
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            FamilySAML21 
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          CMSIS PackSAML21_DFP
| Core | Processor Cortex-M0+ | 
|---|---|
| Maximum Clock Frequency | 48 MHz | 
| Memory Protection Unit | NO_MPU | 
| Floating Point Unit | NO_FPU | 
| Trust Zone | NO_TZ | 
| Digital Signal Processor | NO_DSP | 
| CortexM Vector Extensions | |
| Endian | Little-endian | 
| Features | View features | 
Processor
Cortex-M0+, 48 MHz
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      Core features Nested Vectored Interrupt Controller Nested Vectored Interrupt Controller with 29 interrupt sources DMA Controller 16-channel DMA Controller Random Number Generator 1 x Random Number Generator 
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      I/O External Interrupts 16 External Interrupts Analog to Digital Converter 19-channel x 16-bit Analog to Digital Converter 
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      Timer Watchdog Timer 1 x Watchdog Timer 
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      Communication Multi-Processor Serial Interface 6 x Multi-Processor Serial Interface 
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      Memory FLASH 0 byte FLASH RWW 0 byte RWW HSRAM 0 byte HSRAM LPRAM 0 byte LPRAM 
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      Power Operating Voltage 1.62 V .. 3.63 V Operating Voltage 
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      Spec Operating Temperature Range -40 °C .. +85 °C Operating Temperature Range 
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      Package Chip Scale Package 64-ball Chip Scale Package